About

Inula hookeri, Hooker inula, is a herbaceous perennial forming a colony of erect, softly hairy stems to 75 cm bearing lance-shaped leaves. From late summer to autumn, light-yellow flowerheads to 8 cm across are produced in ones to threes. A rewarding and ornamental late-season daisy for a sunny or partly shaded border.

About the genus

Inula are annuals, herbaceous perennials and subshrubs with large, often basal leaves and yellow, daisy-like flowerheads, usually with many narrow ray florets. Excellent plants for bold, summer-colour in sunny or partly shaded borders.

Growing conditions

SunlightPartial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained
AspectEast-facing, North-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH6

Plant details

Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageDeciduous
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildlife gardens
Native toHimalaya

Care notes

CultivationGrow in a deep, fertile moist but well-drained soil in partial shade. Can be invasive so site with care
PruningCut back after flowering
PropagationPropagate by seed in pots in a cold frame in spring or autumn. Propagate by division in spring or autumn
Pest resistanceGenerally pest-free
Disease resistanceMay be susceptible to powdery mildews